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Information Journal Paper

Title

EVALUATION OF SOIL COMPACTION STRENGTH (PRE-COMPACTION STRESS) USING PLATE SINKAGE AND UNIAXIAL CONFINED COMPRESSION TESTS

Pages

  245-255

Abstract

 For prevention of SOIL COMPACTION, knowledge of allowable compression stress limit (compaction strength) in soil is important. PRE-COMPACTION STRESS ( spc ) was introduced as SOIL COMPACTION strength and often used as a criterion for evaluation of soil susceptibility to compaction. In this research, PRE-COMPACTION STRESS was measured for a sandy loam soil with plate sinkage (PST) and confined compression (CCT) tests. To prepare soil samples with different initial compactness, two soil water contents (17 and 19%db) and six pre-loading stresses (0, 25, 50, 100, 150 and 200 kPa) were used. The effects of soil water content and pre-loading stress on estimated PRE-COMPACTION STRESS were studied using a factorial experiment in a completely randomized design with three replications. The spc values were significantly influenced by loading combination and soil water content. For PST, pre-load increase and higher soil water content resulted in higher and lower values of spc , respectively. However, predicted spc value increased with higher soil water content for CCT. The results also showed that the spc predicted with PST was accurate, whereas the values obtained with CCT were 4.5 (at 17 %db) and 8.5 (at 19 %db) times higher than the applied pre-loads. Overall, the findings indicated that spc prediction depends on the compression test, and PST could be a suitable method for soil PRE-COMPACTION STRESS (compaction strength) determination in sustainable soil management, i.e., soil trafficability and tillage. The PST method is also suitable to assess the effect of managing factors on PRE-COMPACTION STRESS.

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    APA: Copy

    TAHMASBI, MOUNA, HEMAT, A., VAFAEIAN, M., & MOSADEGHI, M.R.. (2008). EVALUATION OF SOIL COMPACTION STRENGTH (PRE-COMPACTION STRESS) USING PLATE SINKAGE AND UNIAXIAL CONFINED COMPRESSION TESTS. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 12(44), 245-255. SID. https://sid.ir/paper/14915/en

    Vancouver: Copy

    TAHMASBI MOUNA, HEMAT A., VAFAEIAN M., MOSADEGHI M.R.. EVALUATION OF SOIL COMPACTION STRENGTH (PRE-COMPACTION STRESS) USING PLATE SINKAGE AND UNIAXIAL CONFINED COMPRESSION TESTS. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2008;12(44):245-255. Available from: https://sid.ir/paper/14915/en

    IEEE: Copy

    MOUNA TAHMASBI, A. HEMAT, M. VAFAEIAN, and M.R. MOSADEGHI, “EVALUATION OF SOIL COMPACTION STRENGTH (PRE-COMPACTION STRESS) USING PLATE SINKAGE AND UNIAXIAL CONFINED COMPRESSION TESTS,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 12, no. 44, pp. 245–255, 2008, [Online]. Available: https://sid.ir/paper/14915/en

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